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Determination of ultra traces amount of uranium in raffinates of Purex process by laser fluorimetry

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Abstract

A simple and rapid, laser fluorimetric method for the determination of uranium concentration in raffinate stream of Purex process during reprocessing of spent nuclear fuel has been developed. It works on the principle of detection of fluorescence of uranyl complex formed by using fluorescence enhancing reagent like sodium pyrophosphate. The uranium concentration was determined in the range of 0–40 ppb and detection limit of 0.2 ppb. The optimum time discrimination is obtained when the uranyl ion is complexed with sodium pyrophosphate. Need of preconcentration step or separation of uranium from interfering elements is not an essential step.

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Authors and Affiliations

  1. Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, India

    S. Ganesh, M. K. Ahmed, P. Velavendan, N. K. Pandey & U. Kamachi Mudali

  2. Department of Chemistry, National Institute of Technology, Raipur, 492010, India

    Fahmida Khan & S. K. Pandey

Authors
  1. S. Ganesh
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  2. Fahmida Khan
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  3. M. K. Ahmed
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  4. P. Velavendan
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  5. N. K. Pandey
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  6. U. Kamachi Mudali
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  7. S. K. Pandey
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Correspondence to Fahmida Khan.

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Ganesh, S., Khan, F., Ahmed, M.K. et al. Determination of ultra traces amount of uranium in raffinates of Purex process by laser fluorimetry. J Radioanal Nucl Chem 292, 331–334 (2012). https://doi.org/10.1007/s10967-011-1431-1

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  • DOI: https://doi.org/10.1007/s10967-011-1431-1

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